package com.things8.iot.common.utils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @author yzh
 * @version 1.0
 * @date 2021/5/21 0:19
 */
@Component
public class SpringBeanFactoryUtil implements ApplicationContextAware {

    private static final Logger logger = LoggerFactory.getLogger(SpringBeanFactoryUtil.class);

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if (SpringBeanFactoryUtil.applicationContext == null) {
            SpringBeanFactoryUtil.applicationContext = applicationContext;
        }
        logger.info("ApplicationContext配置成功,applicationContext对象：" + SpringBeanFactoryUtil.applicationContext);
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

    public static <T> T getBean(String name, Class<T> clazz) {
        return getApplicationContext().getBean(name, clazz);
    }
}
